/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hive.metastore;
import static org.apache.commons.lang.StringUtils.join;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.DEFAULT_DATABASE_COMMENT;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.DEFAULT_DATABASE_NAME;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.validateName;
import java.io.IOException;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Formatter;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Timer;
import java.util.regex.Pattern;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.common.JavaUtils;
import org.apache.hadoop.hive.common.LogUtils;
import org.apache.hadoop.hive.common.LogUtils.LogInitializationException;
import org.apache.hadoop.hive.common.classification.InterfaceAudience;
import org.apache.hadoop.hive.common.classification.InterfaceStability;
import org.apache.hadoop.hive.common.cli.CommonCliOptions;
import org.apache.hadoop.hive.common.metrics.Metrics;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.metastore.api.AlreadyExistsException;
import org.apache.hadoop.hive.metastore.api.ConfigValSecurityException;
import org.apache.hadoop.hive.metastore.api.Constants;
import org.apache.hadoop.hive.metastore.api.Database;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege;
import org.apache.hadoop.hive.metastore.api.HiveObjectRef;
import org.apache.hadoop.hive.metastore.api.HiveObjectType;
import org.apache.hadoop.hive.metastore.api.Index;
import org.apache.hadoop.hive.metastore.api.IndexAlreadyExistsException;
import org.apache.hadoop.hive.metastore.api.InvalidObjectException;
import org.apache.hadoop.hive.metastore.api.InvalidOperationException;
import org.apache.hadoop.hive.metastore.api.InvalidPartitionException;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
import org.apache.hadoop.hive.metastore.api.Partition;
import org.apache.hadoop.hive.metastore.api.PartitionEventType;
import org.apache.hadoop.hive.metastore.api.PrincipalPrivilegeSet;
import org.apache.hadoop.hive.metastore.api.PrincipalType;
import org.apache.hadoop.hive.metastore.api.PrivilegeBag;
import org.apache.hadoop.hive.metastore.api.PrivilegeGrantInfo;
import org.apache.hadoop.hive.metastore.api.Role;
import org.apache.hadoop.hive.metastore.api.Table;
import org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore;
import org.apache.hadoop.hive.metastore.api.Type;
import org.apache.hadoop.hive.metastore.api.UnknownDBException;
import org.apache.hadoop.hive.metastore.api.UnknownPartitionException;
import org.apache.hadoop.hive.metastore.api.UnknownTableException;
import org.apache.hadoop.hive.metastore.events.AddPartitionEvent;
import org.apache.hadoop.hive.metastore.events.AlterPartitionEvent;
import org.apache.hadoop.hive.metastore.events.AlterTableEvent;
import org.apache.hadoop.hive.metastore.events.CreateDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.CreateTableEvent;
import org.apache.hadoop.hive.metastore.events.DropDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.DropPartitionEvent;
import org.apache.hadoop.hive.metastore.events.DropTableEvent;
import org.apache.hadoop.hive.metastore.events.EventCleanerTask;
import org.apache.hadoop.hive.metastore.events.LoadPartitionDoneEvent;
import org.apache.hadoop.hive.metastore.hooks.JDOConnectionURLHook;
import org.apache.hadoop.hive.metastore.model.MDBPrivilege;
import org.apache.hadoop.hive.metastore.model.MGlobalPrivilege;
import org.apache.hadoop.hive.metastore.model.MPartitionColumnPrivilege;
import org.apache.hadoop.hive.metastore.model.MPartitionPrivilege;
import org.apache.hadoop.hive.metastore.model.MRole;
import org.apache.hadoop.hive.metastore.model.MRoleMap;
import org.apache.hadoop.hive.metastore.model.MTableColumnPrivilege;
import org.apache.hadoop.hive.metastore.model.MTablePrivilege;
import org.apache.hadoop.hive.serde2.Deserializer;
import org.apache.hadoop.hive.serde2.SerDeException;
import org.apache.hadoop.hive.serde2.SerDeUtils;
import org.apache.hadoop.hive.shims.ShimLoader;
import org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.ReflectionUtils;
import org.apache.hadoop.util.StringUtils;
import org.apache.thrift.TException;
import org.apache.thrift.TProcessor;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.server.TServer;
import org.apache.thrift.server.TThreadPoolServer;
import org.apache.thrift.transport.TServerSocket;
import org.apache.thrift.transport.TServerTransport;
import org.apache.thrift.transport.TTransportFactory;
import com.facebook.fb303.FacebookBase;
import com.facebook.fb303.fb_status;
/**
* TODO:pc remove application logic to a separate interface.
*/
public class HiveMetaStore extends ThriftHiveMetastore {
public static final Log LOG = LogFactory.getLog(
HiveMetaStore.class);
/**
* default port on which to start the Hive server
*/
private static final int DEFAULT_HIVE_METASTORE_PORT = 9083;
private static HadoopThriftAuthBridge.Server saslServer;
private static boolean useSasl;
public static class HMSHandler extends FacebookBase implements
ThriftHiveMetastore.Iface {
public static final Log LOG = HiveMetaStore.LOG;
private static boolean createDefaultDB = false;
private String rawStoreClassName;
private final HiveConf hiveConf; // stores datastore (jpox) properties,
// right now they come from jpox.properties
private Warehouse wh; // hdfs warehouse
private final ThreadLocal<RawStore> threadLocalMS =
new ThreadLocal<RawStore>() {
@Override
protected synchronized RawStore initialValue() {
return null;
}
};
// Thread local configuration is needed as many threads could make changes
// to the conf using the connection hook
private final ThreadLocal<Configuration> threadLocalConf =
new ThreadLocal<Configuration>() {
@Override
protected synchronized Configuration initialValue() {
return null;
}
};
public static final String AUDIT_FORMAT =
"ugi=%s\t" + // ugi
"ip=%s\t" + // remote IP
"cmd=%s\t"; // command
public static final Log auditLog = LogFactory.getLog(
HiveMetaStore.class.getName() + ".audit");
private static final ThreadLocal<Formatter> auditFormatter =
new ThreadLocal<Formatter>() {
@Override
protected Formatter initialValue() {
return new Formatter(new StringBuilder(AUDIT_FORMAT.length() * 4));
}
};
private final void logAuditEvent(String cmd) {
if (!useSasl || cmd == null) {
return;
}
UserGroupInformation ugi;
try {
ugi = ShimLoader.getHadoopShims().getUGIForConf(getConf());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
final Formatter fmt = auditFormatter.get();
((StringBuilder)fmt.out()).setLength(0);
auditLog.info(fmt.format(AUDIT_FORMAT, ugi.getUserName(),
saslServer.getRemoteAddress().toString(), cmd).toString());
}
// The next serial number to be assigned
private boolean checkForDefaultDb;
private static int nextSerialNum = 0;
private static ThreadLocal<Integer> threadLocalId = new ThreadLocal() {
@Override
protected synchronized Object initialValue() {
return new Integer(nextSerialNum++);
}
};
// Used for retrying JDO calls on datastore failures
private int retryInterval = 0;
private int retryLimit = 0;
private JDOConnectionURLHook urlHook = null;
private String urlHookClassName = "";
public static Integer get() {
return threadLocalId.get();
}
public HMSHandler(String name) throws MetaException {
super(name);
hiveConf = new HiveConf(this.getClass());
init();
}
public HMSHandler(String name, HiveConf conf) throws MetaException {
super(name);
hiveConf = conf;
init();
}
public HiveConf getHiveConf() {
return hiveConf;
}
private ClassLoader classLoader;
private AlterHandler alterHandler;
private List<MetaStoreEventListener> listeners;
private List<MetaStoreEndFunctionListener> endFunctionListeners;
{
classLoader = Thread.currentThread().getContextClassLoader();
if (classLoader == null) {
classLoader = Configuration.class.getClassLoader();
}
}
private boolean init() throws MetaException {
rawStoreClassName = hiveConf.getVar(HiveConf.ConfVars.METASTORE_RAW_STORE_IMPL);
checkForDefaultDb = hiveConf.getBoolean(
"hive.metastore.checkForDefaultDb", true);
String alterHandlerName = hiveConf.get("hive.metastore.alter.impl",
HiveAlterHandler.class.getName());
alterHandler = (AlterHandler) ReflectionUtils.newInstance(getClass(
alterHandlerName, AlterHandler.class), hiveConf);
wh = new Warehouse(hiveConf);
retryInterval = HiveConf.getIntVar(hiveConf,
HiveConf.ConfVars.METASTOREINTERVAL);
retryLimit = HiveConf.getIntVar(hiveConf,
HiveConf.ConfVars.METASTOREATTEMPTS);
// Using the hook on startup ensures that the hook always has priority
// over settings in *.xml. We can use hiveConf as only a single thread
// will be calling the constructor.
updateConnectionURL(hiveConf, null);
createDefaultDB();
if (hiveConf.getBoolean("hive.metastore.metrics.enabled", false)) {
try {
Metrics.init();
} catch (Exception e) {
// log exception, but ignore inability to start
LOG.error("error in Metrics init: " + e.getClass().getName() + " "
+ e.getMessage());
MetaStoreUtils.printStackTrace(e);
}
}
listeners = MetaStoreUtils.getMetaStoreListeners(MetaStoreEventListener.class, hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_EVENT_LISTENERS));
endFunctionListeners = MetaStoreUtils.getMetaStoreListeners(
MetaStoreEndFunctionListener.class, hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_END_FUNCTION_LISTENERS));
long cleanFreq = hiveConf.getLongVar(ConfVars.METASTORE_EVENT_CLEAN_FREQ) * 1000L;
if(cleanFreq > 0){
// In default config, there is no timer.
Timer cleaner = new Timer("Metastore Events Cleaner Thread", true);
cleaner.schedule(new EventCleanerTask(this), cleanFreq, cleanFreq);
}
return true;
}
private String addPrefix(String s) {
return threadLocalId.get() + ": " + s;
}
/**
* A Command is a closure used to pass a block of code from individual
* functions to executeWithRetry, which centralizes connection error
* handling. Command is parameterized on the return type of the function.
*
* The general transformation is:
*
* From:
* String foo(int a) throws ExceptionB {
* <block of code>
* }
*
* To:
* String foo(final int a) throws ExceptionB {
* String ret = null;
* try {
* ret = executeWithRetry(new Command<Boolean>() {
* String run(RawStore ms) {
* <block of code>
* }
* }
* } catch (ExceptionB e) {
* throw e;
* } catch (Exception e) {
* // Since run is only supposed to throw ExceptionB it could only
* // be a runtime exception
* throw (RuntimeException)e;
* }
* }
*
* The catch blocks are used to ensure that the exceptions thrown by the
* <block of code> follow the function definition.
*/
@InterfaceAudience.LimitedPrivate({"HCATALOG"})
@InterfaceStability.Evolving
public static class Command<T> {
@InterfaceAudience.LimitedPrivate({"HCATALOG"})
@InterfaceStability.Evolving
public T run(RawStore ms) throws Exception {
return null;
}
}
@InterfaceAudience.LimitedPrivate({"HCATALOG"})
@InterfaceStability.Evolving
public <T> T executeWithRetry(Command<T> cmd) throws Exception {
T ret = null;
boolean gotNewConnectUrl = false;
boolean reloadConf = HiveConf.getBoolVar(hiveConf,
HiveConf.ConfVars.METASTOREFORCERELOADCONF);
if (reloadConf) {
updateConnectionURL(getConf(), null);
}
int retryCount = 0;
Exception caughtException = null;
while(true) {
try {
RawStore ms = getMS(reloadConf || gotNewConnectUrl);
ret = cmd.run(ms);
break;
} catch (javax.jdo.JDOException e) {
caughtException = e;
}
if (retryCount >= retryLimit) {
throw caughtException;
}
assert(retryInterval >= 0);
retryCount++;
LOG.error(
String.format(
"JDO datastore error. Retrying metastore command " +
"after %d ms (attempt %d of %d)", retryInterval, retryCount, retryLimit));
Thread.sleep(retryInterval);
// If we have a connection error, the JDO connection URL hook might
// provide us with a new URL to access the datastore.
String lastUrl = getConnectionURL(getConf());
gotNewConnectUrl = updateConnectionURL(getConf(), lastUrl);
}
return ret;
}
private Configuration getConf() {
Configuration conf = threadLocalConf.get();
if (conf == null) {
conf = new Configuration(hiveConf);
threadLocalConf.set(conf);
}
return conf;
}
/**
* Get a cached RawStore.
*
* @return
* @throws MetaException
*/
@InterfaceAudience.LimitedPrivate({"HCATALOG"})
@InterfaceStability.Evolving
public RawStore getMS(boolean reloadConf) throws MetaException {
RawStore ms = threadLocalMS.get();
if (ms == null) {
LOG.info(addPrefix("Opening raw store with implemenation class:"
+ rawStoreClassName));
ms = (RawStore) ReflectionUtils.newInstance(getClass(rawStoreClassName,
RawStore.class), getConf());
threadLocalMS.set(ms);
ms = threadLocalMS.get();
}
if (reloadConf) {
ms.setConf(getConf());
}
return ms;
}
/**
* Updates the connection URL in hiveConf using the hook
* @return true if a new connection URL was loaded into the thread local
* configuration
*/
private boolean updateConnectionURL(Configuration conf, String badUrl)
throws MetaException {
String connectUrl = null;
String currentUrl = getConnectionURL(conf);
try {
// We always call init because the hook name in the configuration could
// have changed.
initConnectionUrlHook();
if (urlHook != null) {
if (badUrl != null) {
urlHook.notifyBadConnectionUrl(badUrl);
}
connectUrl = urlHook.getJdoConnectionUrl(hiveConf);
}
} catch (Exception e) {
LOG.error("Exception while getting connection URL from the hook: " +
e);
}
if (connectUrl != null && !connectUrl.equals(currentUrl)) {
LOG.error(addPrefix(
String.format("Overriding %s with %s",
HiveConf.ConfVars.METASTORECONNECTURLKEY.toString(),
connectUrl)));
conf.set(HiveConf.ConfVars.METASTORECONNECTURLKEY.toString(),
connectUrl);
return true;
}
return false;
}
private static String getConnectionURL(Configuration conf) {
return conf.get(
HiveConf.ConfVars.METASTORECONNECTURLKEY.toString(), "");
}
// Multiple threads could try to initialize at the same time.
synchronized private void initConnectionUrlHook()
throws ClassNotFoundException {
String className =
hiveConf.get(HiveConf.ConfVars.METASTORECONNECTURLHOOK.toString(), "").trim();
if (className.equals("")) {
urlHookClassName = "";
urlHook = null;
return;
}
boolean urlHookChanged = !urlHookClassName.equals(className);
if (urlHook == null || urlHookChanged) {
urlHookClassName = className.trim();
Class <?> urlHookClass = Class.forName(urlHookClassName, true,
JavaUtils.getClassLoader());
urlHook = (JDOConnectionURLHook) ReflectionUtils.newInstance(urlHookClass, null);
}
return;
}
private void createDefaultDB_core(RawStore ms) throws MetaException, InvalidObjectException {
try {
ms.getDatabase(DEFAULT_DATABASE_NAME);
} catch (NoSuchObjectException e) {
ms.createDatabase(
new Database(DEFAULT_DATABASE_NAME, DEFAULT_DATABASE_COMMENT,
getDefaultDatabasePath(DEFAULT_DATABASE_NAME).toString(), null));
}
HMSHandler.createDefaultDB = true;
}
/**
* create default database if it doesn't exist
*
* @throws MetaException
*/
private void createDefaultDB() throws MetaException {
if (HMSHandler.createDefaultDB || !checkForDefaultDb) {
return;
}
try {
executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
createDefaultDB_core(ms);
return Boolean.TRUE;
}
});
} catch (InvalidObjectException e) {
throw new MetaException(e.getMessage());
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
}
}
private Class<?> getClass(String rawStoreClassName, Class<?> class1)
throws MetaException {
try {
return Class.forName(rawStoreClassName, true, classLoader);
} catch (ClassNotFoundException e) {
throw new MetaException(rawStoreClassName + " class not found");
}
}
private void logInfo(String m) {
LOG.info(threadLocalId.get().toString() + ": " + m);
logAuditEvent(m);
}
public String startFunction(String function, String extraLogInfo) {
incrementCounter(function);
logInfo(function + extraLogInfo);
try {
Metrics.startScope(function);
} catch (IOException e) {
LOG.debug("Exception when starting metrics scope"
+ e.getClass().getName() + " " + e.getMessage());
MetaStoreUtils.printStackTrace(e);
}
return function;
}
public String startFunction(String function) {
return startFunction(function, "");
}
public String startTableFunction(String function, String db, String tbl) {
return startFunction(function, " : db=" + db + " tbl=" + tbl);
}
public String startMultiTableFunction(String function, String db, List<String> tbls) {
String tableNames = join(tbls, ",");
return startFunction(function, " : db=" + db + " tbls=" + tableNames);
}
public String startPartitionFunction(String function, String db, String tbl,
List<String> partVals) {
return startFunction(function, " : db=" + db + " tbl=" + tbl
+ "[" + join(partVals, ",") + "]" );
}
public String startPartitionFunction(String function, String db, String tbl,
Map<String,String> partName) {
return startFunction(function, " : db=" + db + " tbl=" + tbl + "partition=" + partName);
}
public void endFunction(String function, boolean successful) {
endFunction(function, new MetaStoreEndFunctionContext(successful));
}
public void endFunction(String function, MetaStoreEndFunctionContext context) {
try {
Metrics.endScope(function);
} catch (IOException e) {
LOG.debug("Exception when closing metrics scope" + e);
}
for (MetaStoreEndFunctionListener listener : endFunctionListeners) {
listener.onEndFunction(function, context);
}
}
@Override
public fb_status getStatus() {
return fb_status.ALIVE;
}
@Override
public void shutdown() {
logInfo("Shutting down the object store...");
RawStore ms = threadLocalMS.get();
if (ms != null) {
ms.shutdown();
ms = null;
}
logInfo("Metastore shutdown complete.");
}
@Override
public AbstractMap<String, Long> getCounters() {
AbstractMap<String, Long> counters = super.getCounters();
// Allow endFunctionListeners to add any counters they have collected
if (endFunctionListeners != null) {
for (MetaStoreEndFunctionListener listener : endFunctionListeners) {
listener.exportCounters(counters);
}
}
return counters;
}
private static final String DATABASE_WAREHOUSE_SUFFIX = ".db";
private Path getDefaultDatabasePath(String dbName) throws MetaException {
if (dbName.equalsIgnoreCase(DEFAULT_DATABASE_NAME)) {
return wh.getWhRoot();
}
return new Path(wh.getWhRoot(), dbName.toLowerCase() + DATABASE_WAREHOUSE_SUFFIX);
}
private void create_database_core(RawStore ms, final Database db)
throws AlreadyExistsException, InvalidObjectException, MetaException,
IOException {
if (!validateName(db.getName())) {
throw new InvalidObjectException(db.getName() + " is not a valid database name");
}
if (null == db.getLocationUri()) {
db.setLocationUri(getDefaultDatabasePath(db.getName()).toString());
} else {
db.setLocationUri(wh.getDnsPath(new Path(db.getLocationUri())).toString());
}
Path dbPath = new Path(db.getLocationUri());
boolean success = false;
boolean madeDir = false;
try {
if (!wh.isDir(dbPath)) {
if (!wh.mkdirs(dbPath)) {
throw new MetaException("Unable to create database path " + dbPath +
", failed to create database " + db.getName());
}
madeDir = true;
}
ms.openTransaction();
ms.createDatabase(db);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
if (madeDir) {
wh.deleteDir(dbPath, true);
}
}
for (MetaStoreEventListener listener : listeners) {
listener.onCreateDatabase(new CreateDatabaseEvent(db, success, this));
}
}
}
public void create_database(final Database db)
throws AlreadyExistsException, InvalidObjectException, MetaException {
startFunction("create_database", ": "
+ db.getName() + " "
+ db.getLocationUri() + " "
+ db.getDescription());
boolean success = false;
try {
try {
if(null != get_database(db.getName())) {
throw new AlreadyExistsException("Database " + db.getName() + " already exists");
}
} catch (NoSuchObjectException e) {
// expected
}
success = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
create_database_core(ms, db);
return Boolean.TRUE;
}
});
} catch (AlreadyExistsException e) {
throw e;
} catch (InvalidObjectException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("create_database", success);
}
}
public Database get_database(final String name) throws NoSuchObjectException,
MetaException {
startFunction("get_database", ": " + name);
Database db = null;
try {
db = executeWithRetry(new Command<Database>() {
@Override
public Database run(RawStore ms) throws Exception {
return ms.getDatabase(name);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_database", db != null);
}
return db;
}
public void alter_database(final String dbName, final Database db)
throws NoSuchObjectException, TException, MetaException {
startFunction("alter_database" + dbName);
boolean success = false;
try {
success = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
return ms.alterDatabase(dbName, db);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (TException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException) e;
} finally {
endFunction("alter_database", success);
}
}
private void drop_database_core(RawStore ms,
final String name, final boolean deleteData, final boolean cascade)
throws NoSuchObjectException, InvalidOperationException, MetaException,
IOException {
boolean success = false;
Database db = null;
try {
ms.openTransaction();
db = ms.getDatabase(name);
List<String> allTables = get_all_tables(db.getName());
if (!cascade && !allTables.isEmpty()) {
throw new InvalidOperationException("Database " + db.getName() + " is not empty");
}
Path path = new Path(db.getLocationUri()).getParent();
if (!wh.isWritable(path)) {
throw new MetaException("Database not dropped since " +
path + " is not writable by " +
hiveConf.getUser());
}
if (ms.dropDatabase(name)) {
success = ms.commitTransaction();
}
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData) {
wh.deleteDir(new Path(db.getLocationUri()), true);
// it is not a terrible thing even if the data is not deleted
}
for (MetaStoreEventListener listener : listeners) {
listener.onDropDatabase(new DropDatabaseEvent(db, success, this));
}
}
}
public void drop_database(final String dbName, final boolean deleteData, final boolean cascade)
throws NoSuchObjectException, InvalidOperationException, MetaException {
startFunction("drop_database", ": " + dbName);
if (DEFAULT_DATABASE_NAME.equalsIgnoreCase(dbName)) {
endFunction("drop_database", false);
throw new MetaException("Can not drop default database");
}
boolean success = false;
try {
success = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
drop_database_core(ms, dbName, deleteData, cascade);
return Boolean.TRUE;
}
});
} catch (NoSuchObjectException e) {
throw e;
} catch (InvalidOperationException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("drop_database", success);
}
}
public List<String> get_databases(final String pattern) throws MetaException {
startFunction("get_databases", ": " + pattern);
List<String> ret = null;
try {
ret = executeWithRetry(new Command<List<String>>() {
@Override
public List<String> run(RawStore ms) throws Exception {
return ms.getDatabases(pattern);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_databases", ret != null);
}
return ret;
}
public List<String> get_all_databases() throws MetaException {
startFunction("get_all_databases");
List<String> ret = null;
try {
ret = executeWithRetry(new Command<List<String>>() {
@Override
public List<String> run(RawStore ms) throws Exception {
return ms.getAllDatabases();
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_all_databases", ret != null);
}
return ret;
}
private void create_type_core(final RawStore ms, final Type type)
throws AlreadyExistsException, MetaException, InvalidObjectException {
if (!MetaStoreUtils.validateName(type.getName())) {
throw new InvalidObjectException("Invalid type name");
}
boolean success = false;
try {
ms.openTransaction();
if (is_type_exists(ms, type.getName())) {
throw new AlreadyExistsException("Type " + type.getName() + " already exists");
}
ms.createType(type);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
}
}
public boolean create_type(final Type type) throws AlreadyExistsException,
MetaException, InvalidObjectException {
startFunction("create_type", ": " + type.getName());
boolean ret = false;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
create_type_core(ms, type);
return Boolean.TRUE;
}
});
} catch (AlreadyExistsException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (InvalidObjectException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("create_type", ret);
}
return ret;
}
public Type get_type(final String name) throws MetaException, NoSuchObjectException {
startFunction("get_type", ": " + name);
Type ret = null;
try {
ret = executeWithRetry(new Command<Type>() {
@Override
public Type run(RawStore ms) throws Exception {
Type type = ms.getType(name);
if (null == type) {
throw new NoSuchObjectException("Type \"" + name + "\" not found.");
}
return type;
}
});
} catch (NoSuchObjectException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_type", ret != null);
}
return ret;
}
private boolean is_type_exists(RawStore ms, String typeName)
throws MetaException {
return (ms.getType(typeName) != null);
}
private void drop_type_core(final RawStore ms, String typeName)
throws NoSuchObjectException, MetaException {
boolean success = false;
try {
ms.openTransaction();
// drop any partitions
if (!is_type_exists(ms, typeName)) {
throw new NoSuchObjectException(typeName + " doesn't exist");
}
if (!ms.dropType(typeName)) {
throw new MetaException("Unable to drop type " + typeName);
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
}
}
public boolean drop_type(final String name) throws MetaException {
startFunction("drop_type", ": " + name);
boolean ret = false;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
// TODO:pc validate that there are no types that refer to this
return ms.dropType(name);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("drop_type", ret);
}
return ret;
}
public Map<String, Type> get_type_all(String name) throws MetaException {
// TODO Auto-generated method stub
startFunction("get_type_all", ": " + name);
endFunction("get_type_all", false);
throw new MetaException("Not yet implemented");
}
private void create_table_core(final RawStore ms, final Table tbl)
throws AlreadyExistsException, MetaException, InvalidObjectException, NoSuchObjectException {
if (!MetaStoreUtils.validateName(tbl.getTableName())
|| !MetaStoreUtils.validateColNames(tbl.getSd().getCols())
|| (tbl.getPartitionKeys() != null && !MetaStoreUtils
.validateColNames(tbl.getPartitionKeys()))) {
throw new InvalidObjectException(tbl.getTableName()
+ " is not a valid object name");
}
Path tblPath = null;
boolean success = false, madeDir = false;
try {
ms.openTransaction();
if(ms.getDatabase(tbl.getDbName()) == null){
throw new NoSuchObjectException("The database " + tbl.getDbName() + " does not exist");
}
// get_table checks whether database exists, it should be moved here
if (is_table_exists(ms, tbl.getDbName(), tbl.getTableName())) {
throw new AlreadyExistsException("Table " + tbl.getTableName()
+ " already exists");
}
if (!TableType.VIRTUAL_VIEW.toString().equals(tbl.getTableType())) {
if (tbl.getSd().getLocation() == null
|| tbl.getSd().getLocation().isEmpty()) {
tblPath = wh.getTablePath(
ms.getDatabase(tbl.getDbName()), tbl.getTableName());
} else {
if (!isExternal(tbl) && !MetaStoreUtils.isNonNativeTable(tbl)) {
LOG.warn("Location: " + tbl.getSd().getLocation()
+ " specified for non-external table:" + tbl.getTableName());
}
tblPath = wh.getDnsPath(new Path(tbl.getSd().getLocation()));
}
tbl.getSd().setLocation(tblPath.toString());
}
if (tblPath != null) {
if (!wh.isDir(tblPath)) {
if (!wh.mkdirs(tblPath)) {
throw new MetaException(tblPath
+ " is not a directory or unable to create one");
}
madeDir = true;
}
}
// set create time
long time = System.currentTimeMillis() / 1000;
tbl.setCreateTime((int) time);
if (tbl.getParameters() == null ||
tbl.getParameters().get(Constants.DDL_TIME) == null) {
tbl.putToParameters(Constants.DDL_TIME, Long.toString(time));
}
ms.createTable(tbl);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
if (madeDir) {
wh.deleteDir(tblPath, true);
}
}
for (MetaStoreEventListener listener : listeners) {
listener.onCreateTable(new CreateTableEvent(tbl, success, this));
}
}
}
public void create_table(final Table tbl) throws AlreadyExistsException,
MetaException, InvalidObjectException {
startFunction("create_table", ": db=" + tbl.getDbName() + " tbl="
+ tbl.getTableName());
boolean success = false;
try {
success = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
create_table_core(ms, tbl);
return Boolean.TRUE;
}
});
} catch (AlreadyExistsException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (InvalidObjectException e) {
throw e;
}catch (NoSuchObjectException e) {
throw new InvalidObjectException(e.getMessage());
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("create_table", success);
}
}
private boolean is_table_exists(RawStore ms, String dbname, String name)
throws MetaException {
return (ms.getTable(dbname, name) != null);
}
private void drop_table_core(final RawStore ms, final String dbname,
final String name, final boolean deleteData)
throws NoSuchObjectException, MetaException, IOException {
boolean success = false;
boolean isExternal = false;
Path tblPath = null;
Table tbl = null;
isExternal = false;
boolean isIndexTable = false;
try {
ms.openTransaction();
// drop any partitions
tbl = get_table(dbname, name);
if (tbl == null) {
throw new NoSuchObjectException(name + " doesn't exist");
}
if (tbl.getSd() == null) {
throw new MetaException("Table metadata is corrupted");
}
isIndexTable = isIndexTable(tbl);
if (isIndexTable) {
throw new RuntimeException(
"The table " + name + " is an index table. Please do drop index instead.");
}
if (!isIndexTable) {
try {
List<Index> indexes = ms.getIndexes(dbname, name, Short.MAX_VALUE);
while(indexes != null && indexes.size()>0) {
for (Index idx : indexes) {
this.drop_index_by_name(dbname, name, idx.getIndexName(), true);
}
indexes = ms.getIndexes(dbname, name, Short.MAX_VALUE);
}
} catch (TException e) {
throw new MetaException(e.getMessage());
}
}
isExternal = isExternal(tbl);
if (tbl.getSd().getLocation() != null) {
tblPath = new Path(tbl.getSd().getLocation());
if (!wh.isWritable(tblPath.getParent())) {
throw new MetaException("Table metadata not deleted since " +
tblPath.getParent() + " is not writable by " +
hiveConf.getUser());
}
}
if (!ms.dropTable(dbname, name)) {
throw new MetaException("Unable to drop table");
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData && (tblPath != null) && !isExternal) {
wh.deleteDir(tblPath, true);
// ok even if the data is not deleted
}
for(MetaStoreEventListener listener : listeners){
listener.onDropTable(new DropTableEvent(tbl, success, this));
}
}
}
public void drop_table(final String dbname, final String name, final boolean deleteData)
throws NoSuchObjectException, MetaException {
startTableFunction("drop_table", dbname, name);
boolean success = false;
try {
success = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
drop_table_core(ms, dbname, name, deleteData);
return Boolean.TRUE;
}
});
} catch (NoSuchObjectException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("drop_table", success);
}
}
/**
* Is this an external table?
*
* @param table
* Check if this table is external.
* @return True if the table is external, otherwise false.
*/
private boolean isExternal(Table table) {
return MetaStoreUtils.isExternalTable(table);
}
private boolean isIndexTable (Table table) {
return MetaStoreUtils.isIndexTable(table);
}
public Table get_table(final String dbname, final String name) throws MetaException,
NoSuchObjectException {
Table t = null;
startTableFunction("get_table", dbname, name);
try {
t = executeWithRetry(new Command<Table>() {
@Override
public Table run(RawStore ms) throws Exception {
Table t = ms.getTable(dbname, name);
if (t == null) {
throw new NoSuchObjectException(dbname + "." + name
+ " table not found");
}
return t;
}
});
} catch (NoSuchObjectException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_table", t != null);
}
return t;
}
/**
* Gets multiple tables from the hive metastore.
* @param dbname
* The name of the database in which the tables reside
* @param names
* The names of the tables to get.
*
* @return A list of tables whose names are in the the list "names" and
* are retrievable from the database specified by "dbnames."
* There is no guarantee of the order of the returned tables.
* If there are duplicate names, only one instance of the table will be returned.
* @throws MetaException
* @throws InvalidOperationException
* @throws UnknownDBException
*/
public List<Table> get_table_objects_by_name(final String dbname, final List<String> names)
throws MetaException, InvalidOperationException, UnknownDBException {
List<Table> tables = null;
startMultiTableFunction("get_multi_table", dbname, names);
try {
tables = executeWithRetry(new Command<List<Table>>() {
@Override
public List<Table> run(RawStore ms) throws Exception {
if (dbname == null || dbname.isEmpty()) {
throw new UnknownDBException("DB name is null or empty");
}
if (names == null)
{
throw new InvalidOperationException(dbname + " cannot find null tables");
}
List<Table> foundTables = ms.getTableObjectsByName(dbname, names);
return foundTables;
}
});
} catch (MetaException e) {
throw e;
} catch (InvalidOperationException e) {
throw e;
} catch (UnknownDBException e) {
throw e;
} catch (Exception e) {
throw new MetaException(e.toString());
} finally {
endFunction("get_multi_table", tables != null);
}
return tables;
}
@Override
public List<String> get_table_names_by_filter(
final String dbName, final String filter, final short maxTables)
throws MetaException, InvalidOperationException, UnknownDBException {
List<String> tables = null;
startFunction("get_table_names_by_filter", ": db = " + dbName + ", filter = " + filter);
try {
tables = executeWithRetry(new Command<List<String>>() {
@Override
public List<String> run(RawStore ms) throws Exception {
if (dbName == null || dbName.isEmpty()) {
throw new UnknownDBException("DB name is null or empty");
}
if (filter == null) {
throw new InvalidOperationException(filter + " cannot apply null filter");
}
List<String> tables = ms.listTableNamesByFilter(dbName, filter, maxTables);
return tables;
}
});
} catch (MetaException e) {
throw e;
} catch (InvalidOperationException e) {
throw e;
} catch (UnknownDBException e) {
throw e;
} catch (Exception e) {
throw new MetaException(e.toString());
} finally {
endFunction("get_table_names_by_filter", tables != null);
}
return tables;
}
public boolean set_table_parameters(String dbname, String name,
Map<String, String> params) throws NoSuchObjectException, MetaException {
endFunction(startTableFunction("set_table_parameters", dbname, name), false);
// TODO Auto-generated method stub
return false;
}
private Partition append_partition_common(RawStore ms, String dbName, String tableName,
List<String> part_vals) throws InvalidObjectException,
AlreadyExistsException, MetaException {
Partition part = new Partition();
boolean success = false, madeDir = false;
Path partLocation = null;
try {
ms.openTransaction();
part.setDbName(dbName);
part.setTableName(tableName);
part.setValues(part_vals);
Table tbl = ms.getTable(part.getDbName(), part.getTableName());
if (tbl == null) {
throw new InvalidObjectException(
"Unable to add partition because table or database do not exist");
}
if (tbl.getSd().getLocation() == null) {
throw new MetaException(
"Cannot append a partition to a view");
}
part.setSd(tbl.getSd());
partLocation = new Path(tbl.getSd().getLocation(), Warehouse
.makePartName(tbl.getPartitionKeys(), part_vals));
part.getSd().setLocation(partLocation.toString());
Partition old_part = null;
try {
old_part = ms.getPartition(part.getDbName(), part
.getTableName(), part.getValues());
} catch (NoSuchObjectException e) {
// this means there is no existing partition
old_part = null;
}
if (old_part != null) {
throw new AlreadyExistsException("Partition already exists:" + part);
}
if (!wh.isDir(partLocation)) {
if (!wh.mkdirs(partLocation)) {
throw new MetaException(partLocation
+ " is not a directory or unable to create one");
}
madeDir = true;
}
// set create time
long time = System.currentTimeMillis() / 1000;
part.setCreateTime((int) time);
part.putToParameters(Constants.DDL_TIME, Long.toString(time));
success = ms.addPartition(part);
if (success) {
success = ms.commitTransaction();
}
} finally {
if (!success) {
ms.rollbackTransaction();
if (madeDir) {
wh.deleteDir(partLocation, true);
}
}
}
return part;
}
public Partition append_partition(final String dbName, final String tableName,
final List<String> part_vals) throws InvalidObjectException,
AlreadyExistsException, MetaException {
startPartitionFunction("append_partition", dbName, tableName, part_vals);
if (LOG.isDebugEnabled()) {
for (String part : part_vals) {
LOG.debug(part);
}
}
Partition ret = null;
try {
ret = executeWithRetry(new Command<Partition>() {
@Override
public Partition run(RawStore ms) throws Exception {
return append_partition_common(ms, dbName, tableName, part_vals);
}
});
} catch (MetaException e) {
throw e;
} catch (InvalidObjectException e) {
throw e;
} catch (AlreadyExistsException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("append_partition", ret != null);
}
return ret;
}
private int add_partitions_core(final RawStore ms, final List<Partition> parts)
throws MetaException, InvalidObjectException, AlreadyExistsException {
String db = parts.get(0).getDbName();
String tbl = parts.get(0).getTableName();
logInfo("add_partitions : db=" + db + " tbl=" + tbl);
boolean success = false;
Map<Partition,Boolean> addedPartitions = new HashMap<Partition,Boolean>();
try {
ms.openTransaction();
for (Partition part : parts) {
Entry<Partition, Boolean> e = add_partition_core_notxn(ms,part);
addedPartitions.put(e.getKey(),e.getValue());
}
success = true;
ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
for (Entry<Partition,Boolean> e : addedPartitions.entrySet()){
if (e.getValue()){
wh.deleteDir(new Path(e.getKey().getSd().getLocation()), true);
// we just created this directory - it's not a case of pre-creation, so we nuke
}
}
}
}
return parts.size();
}
public int add_partitions(final List<Partition> parts) throws MetaException,
InvalidObjectException, AlreadyExistsException {
startFunction("add_partition");
if (parts.size() == 0) {
return 0;
}
Integer ret = null;
try {
ret = executeWithRetry(new Command<Integer>() {
@Override
public Integer run(RawStore ms) throws Exception {
int ret = add_partitions_core(ms, parts);
return Integer.valueOf(ret);
}
});
} catch (InvalidObjectException e) {
throw e;
} catch (AlreadyExistsException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("add_partition", ret != null);
}
return ret;
}
/**
* An implementation of add_partition_core that does not commit
* transaction or rollback transaction as part of its operation
* - it is assumed that will be tended to from outside this call
* @param ms
* @param part
* @return
* @throws InvalidObjectException
* @throws AlreadyExistsException
* @throws MetaException
*/
private Entry<Partition,Boolean> add_partition_core_notxn(
final RawStore ms, final Partition part)
throws InvalidObjectException, AlreadyExistsException, MetaException {
boolean success = false, madeDir = false;
Path partLocation = null;
try {
Partition old_part = null;
try {
old_part = ms.getPartition(part.getDbName(), part
.getTableName(), part.getValues());
} catch(NoSuchObjectException e) {
// this means there is no existing partition
old_part = null;
}
if (old_part != null) {
throw new AlreadyExistsException("Partition already exists:" + part);
}
Table tbl = ms.getTable(part.getDbName(), part.getTableName());
if (tbl == null) {
throw new InvalidObjectException(
"Unable to add partition because table or database do not exist");
}
String partLocationStr = null;
if (part.getSd() != null) {
partLocationStr = part.getSd().getLocation();
}
if (partLocationStr == null || partLocationStr.isEmpty()) {
// set default location if not specified and this is
// a physical table partition (not a view)
if (tbl.getSd().getLocation() != null) {
partLocation = new Path(tbl.getSd().getLocation(), Warehouse
.makePartName(tbl.getPartitionKeys(), part.getValues()));
}
} else {
if (tbl.getSd().getLocation() == null) {
throw new MetaException(
"Cannot specify location for a view partition");
}
partLocation = wh.getDnsPath(new Path(partLocationStr));
}
if (partLocation != null) {
part.getSd().setLocation(partLocation.toString());
// Check to see if the directory already exists before calling
// mkdirs() because if the file system is read-only, mkdirs will
// throw an exception even if the directory already exists.
if (!wh.isDir(partLocation)) {
if (!wh.mkdirs(partLocation)) {
throw new MetaException(partLocation
+ " is not a directory or unable to create one");
}
madeDir = true;
}
}
// set create time
long time = System.currentTimeMillis() / 1000;
part.setCreateTime((int) time);
if (part.getParameters() == null ||
part.getParameters().get(Constants.DDL_TIME) == null) {
part.putToParameters(Constants.DDL_TIME, Long.toString(time));
}
success = ms.addPartition(part);
} finally {
if (!success) {
if (madeDir) {
wh.deleteDir(partLocation, true);
}
}
for(MetaStoreEventListener listener : listeners){
listener.onAddPartition(new AddPartitionEvent(part, success, this));
}
}
Map<Partition,Boolean> returnVal = new HashMap<Partition,Boolean>();
returnVal.put(part, madeDir);
return returnVal.entrySet().iterator().next();
}
private Partition add_partition_core(final RawStore ms, final Partition part)
throws InvalidObjectException, AlreadyExistsException, MetaException {
boolean success = false;
Partition retPtn = null;
try{
ms.openTransaction();
retPtn = add_partition_core_notxn(ms,part).getKey();
// we proceed only if we'd actually succeeded anyway, otherwise,
// we'd have thrown an exception
success = ms.commitTransaction();
}finally{
if (!success){
ms.rollbackTransaction();
}
}
return retPtn;
}
public Partition add_partition(final Partition part)
throws InvalidObjectException, AlreadyExistsException, MetaException {
startTableFunction("add_partition", part.getDbName(), part.getTableName());
Partition ret = null;
try {
ret = executeWithRetry(new Command<Partition>() {
@Override
public Partition run(RawStore ms) throws Exception {
return add_partition_core(ms, part);
}
});
} catch (InvalidObjectException e) {
throw e;
} catch (AlreadyExistsException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("add_partition", ret != null);
}
return ret;
}
private boolean drop_partition_common(RawStore ms, String db_name, String tbl_name,
List<String> part_vals, final boolean deleteData)
throws MetaException, NoSuchObjectException, IOException {
boolean success = false;
Path partPath = null;
Table tbl = null;
Partition part = null;
boolean isArchived = false;
Path archiveParentDir = null;
try {
ms.openTransaction();
part = ms.getPartition(db_name, tbl_name, part_vals);
if (part == null) {
throw new NoSuchObjectException("Partition doesn't exist. "
+ part_vals);
}
isArchived = MetaStoreUtils.isArchived(part);
if (isArchived) {
archiveParentDir = MetaStoreUtils.getOriginalLocation(part);
if (!wh.isWritable(archiveParentDir.getParent())) {
throw new MetaException("Table partition not deleted since " +
archiveParentDir.getParent() + " is not writable by " +
hiveConf.getUser());
}
}
if (!ms.dropPartition(db_name, tbl_name, part_vals)) {
throw new MetaException("Unable to drop partition");
}
success = ms.commitTransaction();
if ((part.getSd() != null) && (part.getSd().getLocation() != null)) {
partPath = new Path(part.getSd().getLocation());
if (!wh.isWritable(partPath.getParent())) {
throw new MetaException("Table partition not deleted since " +
partPath.getParent() + " is not writable by " +
hiveConf.getUser());
}
}
tbl = get_table(db_name, tbl_name);
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData && ((partPath != null) || (archiveParentDir != null))) {
if (tbl != null && !isExternal(tbl)) {
// Archived partitions have har:/to_har_file as their location.
// The original directory was saved in params
if (isArchived) {
assert(archiveParentDir != null);
wh.deleteDir(archiveParentDir, true);
} else {
assert(partPath != null);
wh.deleteDir(partPath, true);
}
// ok even if the data is not deleted
}
}
for(MetaStoreEventListener listener : listeners){
listener.onDropPartition(new DropPartitionEvent(part, success, this));
}
}
return true;
}
public boolean drop_partition(final String db_name, final String tbl_name,
final List<String> part_vals, final boolean deleteData)
throws NoSuchObjectException, MetaException, TException {
startPartitionFunction("drop_partition", db_name, tbl_name, part_vals);
LOG.info("Partition values:" + part_vals);
boolean ret = false;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
return Boolean.valueOf(
drop_partition_common(ms, db_name, tbl_name, part_vals, deleteData));
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (TException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("drop_partition", ret);
}
return ret;
}
public Partition get_partition(final String db_name, final String tbl_name,
final List<String> part_vals) throws MetaException, NoSuchObjectException {
startPartitionFunction("get_partition", db_name, tbl_name, part_vals);
Partition ret = null;
try {
ret = executeWithRetry(new Command<Partition>() {
@Override
public Partition run(RawStore ms) throws Exception {
return ms.getPartition(db_name, tbl_name, part_vals);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_partition", ret != null);
}
return ret;
}
@Override
public Partition get_partition_with_auth(final String db_name,
final String tbl_name, final List<String> part_vals,
final String user_name, final List<String> group_names)
throws MetaException, NoSuchObjectException, TException {
startPartitionFunction("get_partition_with_auth", db_name, tbl_name,
part_vals);
Partition ret = null;
try {
ret = executeWithRetry(new Command<Partition>() {
@Override
public Partition run(RawStore ms) throws Exception {
return ms.getPartitionWithAuth(db_name, tbl_name, part_vals,
user_name, group_names);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (Exception e) {
assert (e instanceof RuntimeException);
throw (RuntimeException) e;
} finally {
endFunction("get_partition_with_auth", ret != null);
}
return ret;
}
public List<Partition> get_partitions(final String db_name, final String tbl_name,
final short max_parts) throws NoSuchObjectException, MetaException {
startTableFunction("get_partitions", db_name, tbl_name);
List<Partition> ret = null;
try {
ret = executeWithRetry(new Command<List<Partition>>() {
@Override
public List<Partition> run(RawStore ms) throws Exception {
return ms.getPartitions(db_name, tbl_name, max_parts);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_partitions", ret != null);
}
return ret;
}
@Override
public List<Partition> get_partitions_with_auth(final String dbName,
final String tblName, final short maxParts, final String userName,
final List<String> groupNames) throws NoSuchObjectException,
MetaException, TException {
startTableFunction("get_partitions_with_auth", dbName, tblName);
List<Partition> ret = null;
try {
ret = executeWithRetry(new Command<List<Partition>>() {
@Override
public List<Partition> run(RawStore ms) throws Exception {
return ms.getPartitionsWithAuth(dbName, tblName, maxParts,
userName, groupNames);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (Exception e) {
assert (e instanceof RuntimeException);
throw (RuntimeException) e;
} finally {
endFunction("get_partitions_with_auth", ret != null);
}
return ret;
}
public List<String> get_partition_names(final String db_name, final String tbl_name,
final short max_parts) throws MetaException {
startTableFunction("get_partition_names", db_name, tbl_name);
List<String> ret = null;
try {
ret = executeWithRetry(new Command<List<String>>() {
@Override
public List<String> run(RawStore ms) throws Exception {
return ms.listPartitionNames(db_name, tbl_name, max_parts);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_partition_names", ret != null);
}
return ret;
}
public void alter_partition(final String db_name, final String tbl_name,
final Partition new_part)
throws InvalidOperationException, MetaException,
TException {
rename_partition(db_name, tbl_name, null, new_part);
}
public void rename_partition(final String db_name, final String tbl_name,
final List<String> part_vals, final Partition new_part)
throws InvalidOperationException, MetaException,
TException {
startTableFunction("alter_partition", db_name, tbl_name);
LOG.info("New partition values:" + new_part.getValues());
if (part_vals != null && part_vals.size() > 0) {
LOG.info("Old Partition values:" + part_vals);
}
boolean success = false;
try {
success = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
alter_partition_core(ms, db_name, tbl_name, part_vals, new_part);
return Boolean.TRUE;
}
});
} catch (InvalidObjectException e) {
throw new InvalidOperationException(e.getMessage());
} catch (AlreadyExistsException e) {
throw new InvalidOperationException(e.getMessage());
} catch (MetaException e) {
throw e;
} catch (TException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("alter_partition", success);
}
return;
}
private void alter_partition_core(final RawStore ms, final String dbname, final String name, final List<String> part_vals, final Partition new_part)
throws InvalidOperationException, InvalidObjectException, AlreadyExistsException, MetaException {
boolean success = false;
Path srcPath = null;
Path destPath = null;
FileSystem srcFs = null;
FileSystem destFs = null;
Table tbl = null;
Partition oldPart = null;
String oldPartLoc = null;
String newPartLoc = null;
// Set DDL time to now if not specified
if (new_part.getParameters() == null ||
new_part.getParameters().get(Constants.DDL_TIME) == null ||
Integer.parseInt(new_part.getParameters().get(Constants.DDL_TIME)) == 0) {
new_part.putToParameters(Constants.DDL_TIME, Long.toString(System
.currentTimeMillis() / 1000));
}
//alter partition
if (part_vals == null || part_vals.size() == 0) {
try {
oldPart = ms.getPartition(dbname, name, new_part.getValues());
ms.alterPartition(dbname, name, new_part.getValues(), new_part);
for (MetaStoreEventListener listener : listeners) {
listener.onAlterPartition(new AlterPartitionEvent(oldPart, new_part, true, this));
}
} catch (InvalidObjectException e) {
throw new InvalidOperationException("alter is not possible");
} catch (NoSuchObjectException e){
//old partition does not exist
throw new InvalidOperationException("alter is not possible");
}
return;
}
//rename partition
try {
ms.openTransaction();
try {
oldPart = ms.getPartition(dbname, name, part_vals);
} catch (NoSuchObjectException e) {
// this means there is no existing partition
throw new InvalidObjectException(
"Unable to rename partition because old partition does not exist");
}
Partition check_part = null;
try {
check_part = ms.getPartition(dbname, name, new_part.getValues());
} catch(NoSuchObjectException e) {
// this means there is no existing partition
check_part = null;
}
if (check_part != null) {
throw new AlreadyExistsException("Partition already exists:" + dbname + "." + name + "." + new_part.getValues());
}
tbl = ms.getTable(dbname, name);
if (tbl == null) {
throw new InvalidObjectException(
"Unable to rename partition because table or database do not exist");
}
try {
destPath = new Path(wh.getTablePath(ms.getDatabase(dbname), name), Warehouse.makePartName(tbl.getPartitionKeys(),
new_part.getValues()));
} catch (NoSuchObjectException e) {
LOG.debug(e);
throw new InvalidOperationException(
"Unable to change partition or table. Database " + dbname + " does not exist"
+ " Check metastore logs for detailed stack." + e.getMessage());
}
if (destPath != null) {
newPartLoc = destPath.toString();
oldPartLoc = oldPart.getSd().getLocation();
srcPath = new Path(oldPartLoc);
LOG.info("srcPath:" + oldPartLoc);
LOG.info("descPath:" + newPartLoc);
srcFs = wh.getFs(srcPath);
destFs = wh.getFs(destPath);
// check that src and dest are on the same file system
if (srcFs != destFs) {
throw new InvalidOperationException("table new location " + destPath
+ " is on a different file system than the old location "
+ srcPath + ". This operation is not supported");
}
try {
srcFs.exists(srcPath); // check that src exists and also checks
if (newPartLoc.compareTo(oldPartLoc) != 0 && destFs.exists(destPath)) {
throw new InvalidOperationException("New location for this table "
+ tbl.getDbName() + "." + tbl.getTableName()
+ " already exists : " + destPath);
}
} catch (IOException e) {
Warehouse.closeFs(srcFs);
Warehouse.closeFs(destFs);
throw new InvalidOperationException("Unable to access new location "
+ destPath + " for partition " + tbl.getDbName() + "."
+ tbl.getTableName() + " " + new_part.getValues());
}
new_part.getSd().setLocation(newPartLoc);
ms.alterPartition(dbname, name, part_vals, new_part);
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
if (success && newPartLoc.compareTo(oldPartLoc) != 0) {
//rename the data directory
try{
if (srcFs.exists(srcPath)) {
//if destPath's parent path doesn't exist, we should mkdir it
Path destParentPath = destPath.getParent();
if (!wh.mkdirs(destParentPath)) {
throw new IOException("Unable to create path " + destParentPath);
}
srcFs.rename(srcPath, destPath);
LOG.info("rename done!");
}
} catch (IOException e) {
boolean revertMetaDataTransaction = false;
try {
ms.openTransaction();
ms.alterPartition(dbname, name, new_part.getValues(), oldPart);
revertMetaDataTransaction = ms.commitTransaction();
} catch (Exception e1) {
LOG.error("Reverting metadata opeation failed During HDFS operation failed", e1);
if (!revertMetaDataTransaction) {
ms.rollbackTransaction();
}
}
throw new InvalidOperationException("Unable to access old location "
+ srcPath + " for partition " + tbl.getDbName() + "."
+ tbl.getTableName() + " " + part_vals);
}
}
for (MetaStoreEventListener listener : listeners) {
listener.onAlterPartition(new AlterPartitionEvent(oldPart, new_part, true, this));
}
}
}
public boolean create_index(Index index_def)
throws IndexAlreadyExistsException, MetaException {
endFunction(startFunction("create_index"), false);
// TODO Auto-generated method stub
throw new MetaException("Not yet implemented");
}
public void alter_index(final String dbname, final String base_table_name,
final String index_name, final Index newIndex)
throws InvalidOperationException, MetaException {
startFunction("alter_index", ": db=" + dbname + " base_tbl=" + base_table_name
+ " idx=" + index_name + " newidx=" + newIndex.getIndexName());
newIndex.putToParameters(Constants.DDL_TIME, Long.toString(System
.currentTimeMillis() / 1000));
boolean success = false;
try {
success = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
ms.alterIndex(dbname, base_table_name, index_name, newIndex);
return Boolean.TRUE;
}
});
} catch (MetaException e) {
throw e;
} catch (InvalidOperationException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("alter_index", false);
}
return;
}
public String getVersion() throws TException {
endFunction(startFunction("getVersion"), true);
return "3.0";
}
public void alter_table(final String dbname, final String name, final Table newTable)
throws InvalidOperationException, MetaException {
startFunction("alter_table", ": db=" + dbname + " tbl=" + name
+ " newtbl=" + newTable.getTableName());
// Update the time if it hasn't been specified.
if (newTable.getParameters() == null ||
newTable.getParameters().get(Constants.DDL_TIME) == null) {
newTable.putToParameters(Constants.DDL_TIME, Long.toString(System
.currentTimeMillis() / 1000));
}
boolean success = false;
try {
Table oldt = get_table(dbname, name);
success = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
alterHandler.alterTable(ms, wh, dbname, name, newTable);
return Boolean.TRUE;
}
});
for (MetaStoreEventListener listener : listeners) {
listener.onAlterTable(new AlterTableEvent(oldt, newTable, success, this));
}
} catch (MetaException e) {
throw e;
} catch (InvalidOperationException e) {
throw e;
} catch (NoSuchObjectException e) {
//thrown when the table to be altered does not exist
throw new InvalidOperationException(e.getMessage());
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("alter_table", success);
}
}
public List<String> get_tables(final String dbname, final String pattern)
throws MetaException {
startFunction("get_tables", ": db=" + dbname + " pat=" + pattern);
List<String> ret = null;
try {
ret = executeWithRetry(new Command<List<String>>() {
@Override
public List<String> run(RawStore ms) throws Exception {
return ms.getTables(dbname, pattern);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_tables", ret != null);
}
return ret;
}
public List<String> get_all_tables(final String dbname) throws MetaException {
startFunction("get_all_tables", ": db=" + dbname);
List<String> ret = null;
try {
ret = executeWithRetry(new Command<List<String>>() {
@Override
public List<String> run(RawStore ms) throws Exception {
return ms.getAllTables(dbname);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_all_tables", ret != null);
}
return ret;
}
public List<FieldSchema> get_fields(String db, String tableName)
throws MetaException, UnknownTableException, UnknownDBException {
startFunction("get_fields", ": db=" + db + "tbl=" + tableName);
String[] names = tableName.split("\\.");
String base_table_name = names[0];
Table tbl;
List<FieldSchema> ret = null;
try {
try {
tbl = get_table(db, base_table_name);
} catch (NoSuchObjectException e) {
throw new UnknownTableException(e.getMessage());
}
boolean getColsFromSerDe = SerDeUtils.shouldGetColsFromSerDe(
tbl.getSd().getSerdeInfo().getSerializationLib());
if (!getColsFromSerDe) {
ret = tbl.getSd().getCols();
} else {
try {
Deserializer s = MetaStoreUtils.getDeserializer(hiveConf, tbl);
ret = MetaStoreUtils.getFieldsFromDeserializer(tableName, s);
} catch (SerDeException e) {
StringUtils.stringifyException(e);
throw new MetaException(e.getMessage());
}
}
} finally {
endFunction("get_fields", ret != null);
}
return ret;
}
/**
* Return the schema of the table. This function includes partition columns
* in addition to the regular columns.
*
* @param db
* Name of the database
* @param tableName
* Name of the table
* @return List of columns, each column is a FieldSchema structure
* @throws MetaException
* @throws UnknownTableException
* @throws UnknownDBException
*/
public List<FieldSchema> get_schema(String db, String tableName)
throws MetaException, UnknownTableException, UnknownDBException {
startFunction("get_schema", ": db=" + db + "tbl=" + tableName);
boolean success = false;
try {
String[] names = tableName.split("\\.");
String base_table_name = names[0];
Table tbl;
try {
tbl = get_table(db, base_table_name);
} catch (NoSuchObjectException e) {
throw new UnknownTableException(e.getMessage());
}
List<FieldSchema> fieldSchemas = get_fields(db, base_table_name);
if (tbl == null || fieldSchemas == null) {
throw new UnknownTableException(tableName + " doesn't exist");
}
if (tbl.getPartitionKeys() != null) {
// Combine the column field schemas and the partition keys to create the
// whole schema
fieldSchemas.addAll(tbl.getPartitionKeys());
}
success = true;
return fieldSchemas;
} finally {
endFunction("get_schema", success);
}
}
public String getCpuProfile(int profileDurationInSec) throws TException {
return "";
}
/**
* Returns the value of the given configuration variable name. If the
* configuration variable with the given name doesn't exist, or if there
* were an exception thrown while retrieving the variable, or if name is
* null, defaultValue is returned.
*/
public String get_config_value(String name, String defaultValue)
throws TException, ConfigValSecurityException {
startFunction("get_config_value", ": name=" + name + " defaultValue="
+ defaultValue);
boolean success = false;
try {
if (name == null) {
success = true;
return defaultValue;
}
// Allow only keys that start with hive.*, hdfs.*, mapred.* for security
// i.e. don't allow access to db password
if (!Pattern.matches("(hive|hdfs|mapred).*", name)) {
throw new ConfigValSecurityException("For security reasons, the "
+ "config key " + name + " cannot be accessed");
}
String toReturn = defaultValue;
try {
toReturn = hiveConf.get(name, defaultValue);
} catch (RuntimeException e) {
LOG.error(threadLocalId.get().toString() + ": "
+ "RuntimeException thrown in get_config_value - msg: "
+ e.getMessage() + " cause: " + e.getCause());
}
success = true;
return toReturn;
} finally {
endFunction("get_config_value", success);
}
}
private List<String> getPartValsFromName(RawStore ms, String dbName, String tblName,
String partName) throws MetaException, InvalidObjectException {
// Unescape the partition name
LinkedHashMap<String, String> hm = Warehouse.makeSpecFromName(partName);
// getPartition expects partition values in a list. use info from the
// table to put the partition column values in order
Table t = ms.getTable(dbName, tblName);
if (t == null) {
throw new InvalidObjectException(dbName + "." + tblName
+ " table not found");
}
List<String> partVals = new ArrayList<String>();
for(FieldSchema field : t.getPartitionKeys()) {
String key = field.getName();
String val = hm.get(key);
if (val == null) {
throw new InvalidObjectException("incomplete partition name - missing " + key);
}
partVals.add(val);
}
return partVals;
}
private Partition get_partition_by_name_core(final RawStore ms, final String db_name,
final String tbl_name, final String part_name)
throws MetaException, NoSuchObjectException, TException {
List<String> partVals = null;
try {
partVals = getPartValsFromName(ms, db_name, tbl_name, part_name);
} catch (InvalidObjectException e) {
throw new NoSuchObjectException(e.getMessage());
}
Partition p = ms.getPartition(db_name, tbl_name, partVals);
if (p == null) {
throw new NoSuchObjectException(db_name + "." + tbl_name
+ " partition (" + part_name + ") not found");
}
return p;
}
public Partition get_partition_by_name(final String db_name, final String tbl_name,
final String part_name) throws MetaException, NoSuchObjectException, TException {
startFunction("get_partition_by_name", ": db=" + db_name + " tbl="
+ tbl_name + " part=" + part_name);
Partition ret = null;
try {
ret = executeWithRetry(new Command<Partition>() {
@Override
public Partition run(RawStore ms) throws Exception {
return get_partition_by_name_core(ms, db_name, tbl_name, part_name);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (TException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_partition_by_name", ret != null);
}
return ret;
}
public Partition append_partition_by_name(final String db_name, final String tbl_name,
final String part_name) throws InvalidObjectException,
AlreadyExistsException, MetaException, TException {
startFunction("append_partition_by_name", ": db=" + db_name + " tbl="
+ tbl_name + " part=" + part_name);
Partition ret = null;
try {
ret = executeWithRetry(new Command<Partition>() {
@Override
public Partition run(RawStore ms) throws Exception {
List<String> partVals = getPartValsFromName(ms, db_name, tbl_name, part_name);
return append_partition_common(ms, db_name, tbl_name, partVals);
}
});
} catch (InvalidObjectException e) {
throw e;
} catch (AlreadyExistsException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (TException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("append_partition_by_name", ret != null);
}
return ret;
}
private boolean drop_partition_by_name_core(final RawStore ms,
final String db_name, final String tbl_name, final String part_name,
final boolean deleteData) throws NoSuchObjectException,
MetaException, TException, IOException {
List<String> partVals = null;
try {
partVals = getPartValsFromName(ms, db_name, tbl_name, part_name);
} catch (InvalidObjectException e) {
throw new NoSuchObjectException(e.getMessage());
}
return drop_partition_common(ms, db_name, tbl_name, partVals, deleteData);
}
@Override
public boolean drop_partition_by_name(final String db_name, final String tbl_name,
final String part_name, final boolean deleteData) throws NoSuchObjectException,
MetaException, TException {
startFunction("drop_partition_by_name", ": db=" + db_name + " tbl="
+ tbl_name + " part=" + part_name);
boolean ret = false;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
return drop_partition_by_name_core(ms, db_name, tbl_name,
part_name, deleteData);
}
});
} catch (NoSuchObjectException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (TException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("drop_partition_by_name", ret);
}
return ret;
}
@Override
public List<Partition> get_partitions_ps(final String db_name,
final String tbl_name, final List<String> part_vals,
final short max_parts) throws MetaException, TException {
startPartitionFunction("get_partitions_ps", db_name, tbl_name, part_vals);
List<Partition> ret = null;
try {
ret = get_partitions_ps_with_auth(db_name, tbl_name, part_vals,
max_parts, null, null);
}
finally {
endFunction("get_partitions_ps", ret != null);
}
return ret;
}
@Override
public List<Partition> get_partitions_ps_with_auth(final String db_name,
final String tbl_name, final List<String> part_vals,
final short max_parts, final String userName,
final List<String> groupNames) throws MetaException, TException {
startPartitionFunction("get_partitions_ps_with_auth", db_name, tbl_name,
part_vals);
List<Partition> ret = null;
try {
ret = executeWithRetry(new Command<List<Partition>>() {
@Override
public List<Partition> run(RawStore ms) throws Exception {
return ms.listPartitionsPsWithAuth(db_name, tbl_name, part_vals, max_parts,
userName, groupNames);
}
});
} catch (MetaException e) {
throw e;
} catch (InvalidObjectException e) {
throw new MetaException(e.getMessage());
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_partitions_ps_with_auth", ret != null);
}
return ret;
}
@Override
public List<String> get_partition_names_ps(final String db_name,
final String tbl_name, final List<String> part_vals, final short max_parts)
throws MetaException, TException {
startPartitionFunction("get_partitions_names_ps", db_name, tbl_name, part_vals);
List<String> ret = null;
try {
ret = executeWithRetry(new Command<List<String>>() {
@Override
public List<String> run(RawStore ms) throws Exception {
return ms.listPartitionNamesPs(db_name, tbl_name, part_vals, max_parts);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_partitions_names_ps", ret != null);
}
return ret;
}
@Override
public List<String> partition_name_to_vals(String part_name)
throws MetaException, TException {
if (part_name.length() == 0) {
return new ArrayList<String>();
}
LinkedHashMap<String, String> map = Warehouse.makeSpecFromName(part_name);
List<String> part_vals = new ArrayList<String>();
part_vals.addAll(map.values());
return part_vals;
}
@Override
public Map<String, String> partition_name_to_spec(String part_name) throws MetaException,
TException {
if (part_name.length() == 0) {
return new HashMap<String, String>();
}
return Warehouse.makeSpecFromName(part_name);
}
@Override
public Index add_index(final Index newIndex, final Table indexTable)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
startFunction("add_index", ": db=" + newIndex.getDbName() + " tbl="
+ newIndex.getOrigTableName() + " index=" + newIndex.getIndexName());
Index ret = null;
try {
ret = executeWithRetry(new Command<Index>() {
@Override
public Index run(RawStore ms) throws Exception {
return add_index_core(ms, newIndex, indexTable);
}
});
} catch (InvalidObjectException e) {
throw e;
} catch (AlreadyExistsException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("add_index", ret != null);
}
return ret;
}
private Index add_index_core(final RawStore ms, final Index index, final Table indexTable)
throws InvalidObjectException, AlreadyExistsException, MetaException {
boolean success = false, indexTableCreated = false;
try {
ms.openTransaction();
Index old_index = null;
try {
old_index = get_index_by_name(index.getDbName(), index
.getOrigTableName(), index.getIndexName());
} catch (Exception e) {
}
if (old_index != null) {
throw new AlreadyExistsException("Index already exists:" + index);
}
Table origTbl = ms.getTable(index.getDbName(), index.getOrigTableName());
if (origTbl == null) {
throw new InvalidObjectException(
"Unable to add index because database or the orginal table do not exist");
}
// set create time
long time = System.currentTimeMillis() / 1000;
Table indexTbl = indexTable;
if (indexTbl != null) {
try {
indexTbl = ms.getTable(index.getDbName(), index.getIndexTableName());
} catch (Exception e) {
}
if (indexTbl != null) {
throw new InvalidObjectException(
"Unable to add index because index table already exists");
}
this.create_table(indexTable);
indexTableCreated = true;
}
index.setCreateTime((int) time);
index.putToParameters(Constants.DDL_TIME, Long.toString(time));
ms.addIndex(index);
success = ms.commitTransaction();
return index;
} finally {
if (!success) {
if (indexTableCreated) {
try {
this.drop_table(index.getDbName(), index.getIndexTableName(), false);
} catch (Exception e) {
}
}
ms.rollbackTransaction();
}
}
}
@Override
public boolean drop_index_by_name(final String dbName, final String tblName,
final String indexName, final boolean deleteData) throws NoSuchObjectException,
MetaException, TException {
startFunction("drop_index_by_name", ": db=" + dbName + " tbl="
+ tblName + " index=" + indexName);
boolean ret = false;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
return drop_index_by_name_core(ms, dbName, tblName,
indexName, deleteData);
}
});
} catch (NoSuchObjectException e) {
throw e;
} catch (MetaException e) {
throw e;
} catch (TException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("drop_index_by_name", ret);
}
return ret;
}
private boolean drop_index_by_name_core(final RawStore ms,
final String dbName, final String tblName,
final String indexName, final boolean deleteData) throws NoSuchObjectException,
MetaException, TException, IOException {
boolean success = false;
Path tblPath = null;
try {
ms.openTransaction();
//drop the underlying index table
Index index = get_index_by_name(dbName, tblName, indexName);
if (index == null) {
throw new NoSuchObjectException(indexName + " doesn't exist");
}
ms.dropIndex(dbName, tblName, indexName);
String idxTblName = index.getIndexTableName();
if (idxTblName != null) {
Table tbl = null;
tbl = this.get_table(dbName, idxTblName);
if (tbl.getSd() == null) {
throw new MetaException("Table metadata is corrupted");
}
if (tbl.getSd().getLocation() != null) {
tblPath = new Path(tbl.getSd().getLocation());
if (!wh.isWritable(tblPath.getParent())) {
throw new MetaException("Index table metadata not deleted since " +
tblPath.getParent() + " is not writable by " +
hiveConf.getUser());
}
}
if (!ms.dropTable(dbName, idxTblName)) {
throw new MetaException("Unable to drop underlying data table "
+ idxTblName + " for index " + idxTblName);
}
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
return false;
} else if (deleteData && tblPath != null) {
wh.deleteDir(tblPath, true);
// ok even if the data is not deleted
}
}
return true;
}
@Override
public Index get_index_by_name(final String dbName, final String tblName,
final String indexName) throws MetaException, NoSuchObjectException,
TException {
startFunction("get_index_by_name", ": db=" + dbName + " tbl="
+ tblName + " index=" + indexName);
Index ret = null;
try {
ret = executeWithRetry(new Command<Index>() {
@Override
public Index run(RawStore ms) throws Exception {
return get_index_by_name_core(ms, dbName, tblName, indexName);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (TException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("drop_index_by_name", ret != null);
}
return ret;
}
private Index get_index_by_name_core(final RawStore ms, final String db_name,
final String tbl_name, final String index_name)
throws MetaException, NoSuchObjectException, TException {
Index index = ms.getIndex(db_name, tbl_name, index_name);
if (index == null) {
throw new NoSuchObjectException(db_name + "." + tbl_name
+ " index=" + index_name + " not found");
}
return index;
}
@Override
public List<String> get_index_names(final String dbName, final String tblName,
final short maxIndexes) throws MetaException, TException {
startTableFunction("get_index_names", dbName, tblName);
List<String> ret = null;
try {
ret = executeWithRetry(new Command<List<String>>() {
@Override
public List<String> run(RawStore ms) throws Exception {
return ms.listIndexNames(dbName, tblName, maxIndexes);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_index_names", ret != null);
}
return ret;
}
@Override
public List<Index> get_indexes(final String dbName, final String tblName,
final short maxIndexes) throws NoSuchObjectException, MetaException,
TException {
startTableFunction("get_indexes", dbName, tblName);
List<Index> ret = null;
try {
ret = executeWithRetry(new Command<List<Index>>() {
@Override
public List<Index> run(RawStore ms) throws Exception {
return ms.getIndexes(dbName, tblName, maxIndexes);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_indexes", ret != null);
}
return ret;
}
@Override
public List<Partition> get_partitions_by_filter(final String dbName,
final String tblName, final String filter, final short maxParts)
throws MetaException, NoSuchObjectException, TException {
startTableFunction("get_partitions_by_filter", dbName, tblName);
List<Partition> ret = null;
try {
ret = executeWithRetry(new Command<List<Partition>>() {
@Override
public List<Partition> run(RawStore ms) throws Exception {
return ms.getPartitionsByFilter(dbName, tblName, filter, maxParts);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_partitions_by_filter", ret != null);
}
return ret;
}
@Override
public List<Partition> get_partitions_by_names(final String dbName,
final String tblName, final List<String> partNames)
throws MetaException, NoSuchObjectException, TException {
startTableFunction("get_partitions_by_names", dbName, tblName);
List<Partition> ret = null;
try {
ret = executeWithRetry(new Command<List<Partition>>() {
@Override
public List<Partition> run(RawStore ms) throws Exception {
return ms.getPartitionsByNames(dbName, tblName, partNames);
}
});
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
} finally {
endFunction("get_partitions_by_names", ret != null);
}
return ret;
}
@Override
public PrincipalPrivilegeSet get_privilege_set(HiveObjectRef hiveObject,
String userName, List<String> groupNames) throws MetaException,
TException {
if (hiveObject.getObjectType() == HiveObjectType.COLUMN) {
String partName = getPartName(hiveObject);
return this.get_column_privilege_set(hiveObject.getDbName(), hiveObject
.getObjectName(), partName, hiveObject.getColumnName(), userName,
groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.PARTITION) {
String partName = getPartName(hiveObject);
return this.get_partition_privilege_set(hiveObject.getDbName(),
hiveObject.getObjectName(), partName, userName, groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.DATABASE) {
return this.get_db_privilege_set(hiveObject.getDbName(), userName,
groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.TABLE) {
return this.get_table_privilege_set(hiveObject.getDbName(), hiveObject
.getObjectName(), userName, groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.GLOBAL) {
return this.get_user_privilege_set(userName, groupNames);
}
return null;
}
private String getPartName(HiveObjectRef hiveObject) throws MetaException {
String partName = null;
List<String> partValue = hiveObject.getPartValues();
if (partValue != null && partValue.size() > 0) {
try {
Table table = get_table(hiveObject.getDbName(), hiveObject
.getObjectName());
partName = Warehouse
.makePartName(table.getPartitionKeys(), partValue);
} catch (NoSuchObjectException e) {
throw new MetaException(e.getMessage());
}
}
return partName;
}
public PrincipalPrivilegeSet get_column_privilege_set(final String dbName,
final String tableName, final String partName, final String columnName,
final String userName, final List<String> groupNames) throws MetaException,
TException {
incrementCounter("get_column_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = executeWithRetry(new Command<PrincipalPrivilegeSet>() {
@Override
public PrincipalPrivilegeSet run(RawStore ms) throws Exception {
return ms.getColumnPrivilegeSet(
dbName, tableName, partName, columnName, userName, groupNames);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalPrivilegeSet get_db_privilege_set(final String dbName,
final String userName, final List<String> groupNames) throws MetaException,
TException {
incrementCounter("get_db_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = executeWithRetry(new Command<PrincipalPrivilegeSet>() {
@Override
public PrincipalPrivilegeSet run(RawStore ms) throws Exception {
return ms.getDBPrivilegeSet(dbName, userName, groupNames);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalPrivilegeSet get_partition_privilege_set(
final String dbName, final String tableName, final String partName,
final String userName, final List<String> groupNames)
throws MetaException, TException {
incrementCounter("get_partition_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = executeWithRetry(new Command<PrincipalPrivilegeSet>() {
@Override
public PrincipalPrivilegeSet run(RawStore ms) throws Exception {
return ms.getPartitionPrivilegeSet(dbName, tableName, partName,
userName, groupNames);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalPrivilegeSet get_table_privilege_set(final String dbName,
final String tableName, final String userName,
final List<String> groupNames) throws MetaException, TException {
incrementCounter("get_table_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = executeWithRetry(new Command<PrincipalPrivilegeSet>() {
@Override
public PrincipalPrivilegeSet run(RawStore ms) throws Exception {
return ms.getTablePrivilegeSet(dbName, tableName, userName,
groupNames);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean grant_role(final String roleName,
final String userName, final PrincipalType principalType,
final String grantor, final PrincipalType grantorType, final boolean grantOption)
throws MetaException, TException {
incrementCounter("add_role_member");
Boolean ret = null;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
Role role = ms.getRole(roleName);
return ms.grantRole(role, userName, principalType, grantor, grantorType, grantOption);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public List<Role> list_roles(final String principalName,
final PrincipalType principalType) throws MetaException, TException {
incrementCounter("list_roles");
List<Role> ret = null;
try {
ret = executeWithRetry(new Command<List<Role>>() {
@Override
public List<Role> run(RawStore ms) throws Exception {
List<Role> result = new ArrayList<Role>();
List<MRoleMap> roleMap = ms.listRoles(principalName, principalType);
if (roleMap!=null) {
for (MRoleMap role : roleMap) {
MRole r = role.getRole();
result.add(new Role(r.getRoleName(), r
.getCreateTime(), r.getOwnerName()));
}
}
return result;
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean create_role(final Role role)
throws MetaException, TException {
incrementCounter("create_role");
Boolean ret = null;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
return ms.addRole(role.getRoleName(), role.getOwnerName());
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean drop_role(final String roleName)
throws MetaException, TException {
incrementCounter("drop_role");
Boolean ret = null;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
return ms.removeRole(roleName);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public List<String> get_role_names() throws MetaException, TException {
incrementCounter("get_role_names");
List<String> ret = null;
try {
ret = executeWithRetry(new Command<List<String>>() {
@Override
public List<String> run(RawStore ms) throws Exception {
return ms.listRoleNames();
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert(e instanceof RuntimeException);
throw (RuntimeException)e;
}
return ret;
}
@Override
public boolean grant_privileges(final PrivilegeBag privileges) throws MetaException,
TException {
incrementCounter("grant_privileges");
Boolean ret = null;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
return ms.grantPrivileges(privileges);
}
});
} catch (MetaException e) {
e.printStackTrace();
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean revoke_role(final String roleName, final String userName,
final PrincipalType principalType) throws MetaException, TException {
incrementCounter("remove_role_member");
Boolean ret = null;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
Role mRole = ms.getRole(roleName);
return ms.revokeRole(mRole, userName, principalType);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean revoke_privileges(final PrivilegeBag privileges)
throws MetaException, TException {
incrementCounter("revoke_privileges");
Boolean ret = null;
try {
ret = executeWithRetry(new Command<Boolean>() {
@Override
public Boolean run(RawStore ms) throws Exception {
return ms.revokePrivileges(privileges);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalPrivilegeSet get_user_privilege_set(final String userName,
final List<String> groupNames) throws MetaException, TException {
incrementCounter("get_user_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = executeWithRetry(new Command<PrincipalPrivilegeSet>() {
@Override
public PrincipalPrivilegeSet run(RawStore ms) throws Exception {
return ms.getUserPrivilegeSet(userName, groupNames);
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalType getPrincipalType (String principalType) {
return PrincipalType.valueOf(principalType);
}
@Override
public List<HiveObjectPrivilege> list_privileges(String principalName,
PrincipalType principalType, HiveObjectRef hiveObject)
throws MetaException, TException {
if (hiveObject.getObjectType() == HiveObjectType.GLOBAL) {
return this.list_global_privileges(principalName, principalType);
} else if (hiveObject.getObjectType() == HiveObjectType.DATABASE) {
return this.list_db_privileges(principalName, principalType, hiveObject
.getDbName());
} else if (hiveObject.getObjectType() == HiveObjectType.TABLE) {
return this.list_table_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName());
} else if (hiveObject.getObjectType() == HiveObjectType.PARTITION) {
return this.list_partition_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject
.getPartValues());
} else if (hiveObject.getObjectType() == HiveObjectType.COLUMN) {
return this.list_column_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject
.getPartValues(), hiveObject.getColumnName());
}
return null;
}
public List<HiveObjectPrivilege> list_column_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName, final List<String> partValues,
final String columnName) throws MetaException, TException {
incrementCounter("list_security_column_grant");
List<HiveObjectPrivilege> ret = null;
try {
ret = executeWithRetry(new Command<List<HiveObjectPrivilege>>() {
@Override
public List<HiveObjectPrivilege> run(RawStore ms) throws Exception {
String partName = null;
if (partValues != null && partValues.size()>0) {
Table tbl = get_table(dbName, tableName);
partName = Warehouse.makePartName(tbl.getPartitionKeys(), partValues);
}
List<HiveObjectPrivilege> result = Collections.<HiveObjectPrivilege>emptyList();
if (partName != null) {
Partition part = null;
part = get_partition_by_name(dbName, tableName, partName);
List<MPartitionColumnPrivilege> mPartitionCols
= ms.listPrincipalPartitionColumnGrants(principalName,
principalType, dbName, tableName, partName, columnName);
if (mPartitionCols.size() > 0) {
result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mPartitionCols.size(); i++) {
MPartitionColumnPrivilege sCol = mPartitionCols.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.COLUMN, dbName, tableName,
part == null ? null : part.getValues(), sCol
.getColumnName());
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sCol.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sCol.getPrivilege(), sCol
.getCreateTime(), sCol.getGrantor(), PrincipalType
.valueOf(sCol.getGrantorType()), sCol.getGrantOption()));
result.add(secObj);
}
}
} else {
List<MTableColumnPrivilege> mTableCols = ms
.listPrincipalTableColumnGrants(principalName, principalType,
dbName, tableName, columnName);
if (mTableCols.size() > 0) {
result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mTableCols.size(); i++) {
MTableColumnPrivilege sCol = mTableCols.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.COLUMN, dbName, tableName, null, sCol
.getColumnName());
HiveObjectPrivilege secObj = new HiveObjectPrivilege(
objectRef, sCol.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sCol.getPrivilege(), sCol
.getCreateTime(), sCol.getGrantor(), PrincipalType
.valueOf(sCol.getGrantorType()), sCol
.getGrantOption()));
result.add(secObj);
}
}
}
return result;
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public List<HiveObjectPrivilege> list_db_privileges(final String principalName,
final PrincipalType principalType, final String dbName)
throws MetaException, TException {
incrementCounter("list_security_db_grant");
List<HiveObjectPrivilege> ret = null;
try {
ret = executeWithRetry(new Command<List<HiveObjectPrivilege>>() {
@Override
public List<HiveObjectPrivilege> run(RawStore ms) throws Exception {
List<MDBPrivilege> mDbs = ms.listPrincipalDBGrants(
principalName, principalType, dbName);
if (mDbs.size() > 0) {
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mDbs.size(); i++) {
MDBPrivilege sDB = mDbs.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.DATABASE, dbName, null, null, null);
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sDB.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sDB.getPrivilege(), sDB
.getCreateTime(), sDB.getGrantor(), PrincipalType
.valueOf(sDB.getGrantorType()), sDB.getGrantOption()));
result.add(secObj);
}
return result;
}
return Collections.<HiveObjectPrivilege>emptyList();
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public List<HiveObjectPrivilege> list_partition_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName, final List<String> partValues)
throws MetaException, TException {
incrementCounter("list_security_partition_grant");
List<HiveObjectPrivilege> ret = null;
try {
ret = executeWithRetry(new Command<List<HiveObjectPrivilege>>() {
@Override
public List<HiveObjectPrivilege> run(RawStore ms) throws Exception {
Table tbl = get_table(dbName, tableName);
String partName = Warehouse.makePartName(tbl.getPartitionKeys(), partValues);
List<MPartitionPrivilege> mParts = ms.listPrincipalPartitionGrants(
principalName, principalType, dbName, tableName, partName);
if (mParts.size() > 0) {
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mParts.size(); i++) {
MPartitionPrivilege sPart = mParts.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.PARTITION, dbName, tableName, partValues,
null);
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sPart.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sPart.getPrivilege(), sPart
.getCreateTime(), sPart.getGrantor(), PrincipalType
.valueOf(sPart.getGrantorType()), sPart
.getGrantOption()));
result.add(secObj);
}
return result;
}
return Collections.<HiveObjectPrivilege>emptyList();
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public List<HiveObjectPrivilege> list_table_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName) throws MetaException,
TException {
incrementCounter("list_security_table_grant");
List<HiveObjectPrivilege> ret = null;
try {
ret = executeWithRetry(new Command<List<HiveObjectPrivilege>>() {
@Override
public List<HiveObjectPrivilege> run(RawStore ms) throws Exception {
List<MTablePrivilege> mTbls = ms
.listAllTableGrants(principalName, principalType, dbName, tableName);
if (mTbls.size() > 0) {
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mTbls.size(); i++) {
MTablePrivilege sTbl = mTbls.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.TABLE, dbName, tableName, null, null);
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sTbl.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sTbl.getPrivilege(), sTbl.getCreateTime(), sTbl
.getGrantor(), PrincipalType.valueOf(sTbl
.getGrantorType()), sTbl.getGrantOption()));
result.add(secObj);
}
return result;
}
return Collections.<HiveObjectPrivilege>emptyList();
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public List<HiveObjectPrivilege> list_global_privileges(
final String principalName, final PrincipalType principalType)
throws MetaException, TException {
incrementCounter("list_security_user_grant");
List<HiveObjectPrivilege> ret = null;
try {
ret = executeWithRetry(new Command<List<HiveObjectPrivilege>>() {
@Override
public List<HiveObjectPrivilege> run(RawStore ms) throws Exception {
List<MGlobalPrivilege> mUsers = ms.listPrincipalGlobalGrants(
principalName, principalType);
if (mUsers.size() > 0) {
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mUsers.size(); i++) {
MGlobalPrivilege sUsr = mUsers.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.GLOBAL, null, null, null, null);
HiveObjectPrivilege secUser = new HiveObjectPrivilege(
objectRef, sUsr.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sUsr.getPrivilege(), sUsr
.getCreateTime(), sUsr.getGrantor(), PrincipalType
.valueOf(sUsr.getGrantorType()), sUsr.getGrantOption()));
result.add(secUser);
}
return result;
}
return Collections.<HiveObjectPrivilege>emptyList();
}
});
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public void cancel_delegation_token(String token_str_form)
throws MetaException, TException {
startFunction("cancel_delegation_token");
boolean success = false;
try {
HiveMetaStore.cancelDelegationToken(token_str_form);
success = true;
} catch(IOException e) {
throw new MetaException(e.getMessage());
} finally {
endFunction("cancel_delegation_token", success);
}
}
@Override
public long renew_delegation_token(String token_str_form)
throws MetaException, TException {
startFunction("renew_delegation_token");
Long ret = null;
try {
ret = HiveMetaStore.renewDelegationToken(token_str_form);
} catch(IOException e) {
throw new MetaException(e.getMessage());
} finally {
endFunction("renew_delegation_token", ret != null);
}
return ret;
}
@Override
public String get_delegation_token(String token_owner,
String renewer_kerberos_principal_name)
throws MetaException, TException {
startFunction("get_delegation_token");
String ret = null;
try {
ret =
HiveMetaStore.getDelegationToken(token_owner,
renewer_kerberos_principal_name);
} catch(IOException e) {
throw new MetaException(e.getMessage());
} catch (InterruptedException e) {
throw new MetaException(e.getMessage());
} finally {
endFunction("get_delegation_token", ret != null);
}
return ret;
}
@Override
public void markPartitionForEvent(final String db_name, final String tbl_name,
final Map<String,String> partName, final PartitionEventType evtType) throws
MetaException,TException, NoSuchObjectException, UnknownDBException, UnknownTableException,
InvalidPartitionException, UnknownPartitionException {
Table tbl = null;
try {
startPartitionFunction("markPartitionForEvent", db_name, tbl_name, partName);
try{
tbl = executeWithRetry(new Command<Table>(){
@Override
public Table run(RawStore ms) throws Exception {
return ms.markPartitionForEvent(db_name, tbl_name, partName, evtType);
}
});
} catch (Exception original) {
LOG.error(original);
if (original instanceof NoSuchObjectException) {
throw (NoSuchObjectException)original;
} else if(original instanceof UnknownTableException){
throw (UnknownTableException)original;
} else if(original instanceof UnknownDBException){
throw (UnknownDBException)original;
} else if(original instanceof UnknownPartitionException){
throw (UnknownPartitionException)original;
} else if(original instanceof InvalidPartitionException){
throw (InvalidPartitionException)original;
} else if(original instanceof MetaException){
throw (MetaException)original;
} else{
MetaException me = new MetaException(original.toString());
me.initCause(original);
throw me;
}
}
if (null == tbl) {
throw new UnknownTableException("Table: "+tbl_name + " not found.");
} else{
for(MetaStoreEventListener listener : listeners){
listener.onLoadPartitionDone(new LoadPartitionDoneEvent(true, this, tbl, partName));
}
}
}
finally{
endFunction("markPartitionForEvent", tbl != null);
}
}
@Override
public boolean isPartitionMarkedForEvent(final String db_name, final String tbl_name,
final Map<String,String> partName, final PartitionEventType evtType) throws
MetaException, NoSuchObjectException, UnknownDBException, UnknownTableException,
TException, UnknownPartitionException, InvalidPartitionException {
startPartitionFunction("isPartitionMarkedForEvent", db_name, tbl_name, partName);
Boolean ret = null;
try {
ret = executeWithRetry(new Command<Boolean>(){
@Override
public Boolean run(RawStore ms) throws Exception {
return ms.isPartitionMarkedForEvent(db_name, tbl_name, partName, evtType);
}
});
} catch (Exception original) {
LOG.error(original);
if (original instanceof NoSuchObjectException) {
throw (NoSuchObjectException)original;
} else if(original instanceof UnknownTableException){
throw (UnknownTableException)original;
} else if(original instanceof UnknownDBException){
throw (UnknownDBException)original;
} else if(original instanceof UnknownPartitionException){
throw (UnknownPartitionException)original;
} else if(original instanceof InvalidPartitionException){
throw (InvalidPartitionException)original;
} else if(original instanceof MetaException){
throw (MetaException)original;
} else{
MetaException me = new MetaException(original.toString());
me.initCause(original);
throw me;
}
}
finally{
endFunction("isPartitionMarkedForEvent", ret != null);
}
return ret;
}
}
/**
* Discard a current delegation token.
* @param tokenStrForm the token in string form
*/
public static void cancelDelegationToken(String tokenStrForm
) throws IOException {
saslServer.cancelDelegationToken(tokenStrForm);
}
/**
* Get a new delegation token.
* @param renewer the designated renewer
*/
public static String getDelegationToken(String owner, String renewer)
throws IOException, InterruptedException {
return saslServer.getDelegationToken(owner, renewer);
}
/**
* Renew a delegation token to extend its lifetime.
* @param tokenStrForm the token in string form
*/
public static long renewDelegationToken(String tokenStrForm
) throws IOException {
return saslServer.renewDelegationToken(tokenStrForm);
}
/**
* HiveMetaStore specific CLI
*
*/
static public class HiveMetastoreCli extends CommonCliOptions {
int port = DEFAULT_HIVE_METASTORE_PORT;
@SuppressWarnings("static-access")
public HiveMetastoreCli() {
super("hivemetastore", true);
// -p port
OPTIONS.addOption(OptionBuilder
.hasArg()
.withArgName("port")
.withDescription("Hive Metastore port number, default:"
+ DEFAULT_HIVE_METASTORE_PORT)
.create('p'));
}
@Override
public void parse(String[] args) {
super.parse(args);
// support the old syntax "hivemetastore [port]" but complain
args = commandLine.getArgs();
if (args.length > 0) {
// complain about the deprecated syntax -- but still run
System.err.println(
"This usage has been deprecated, consider using the new command "
+ "line syntax (run with -h to see usage information)");
port = new Integer(args[0]);
}
// notice that command line options take precedence over the
// deprecated (old style) naked args...
if (commandLine.hasOption('p')) {
port = Integer.parseInt(commandLine.getOptionValue('p'));
} else {
// legacy handling
String metastorePort = System.getenv("METASTORE_PORT");
if (metastorePort != null) {
port = Integer.parseInt(metastorePort);
}
}
}
}
/**
* @param args
*/
public static void main(String[] args) throws Throwable {
HiveMetastoreCli cli = new HiveMetastoreCli();
cli.parse(args);
// NOTE: It is critical to do this prior to initializing log4j, otherwise
// any log specific settings via hiveconf will be ignored
Properties hiveconf = cli.addHiveconfToSystemProperties();
// If the log4j.configuration property hasn't already been explicitly set, use Hive's default
// log4j configuration
if (System.getProperty("log4j.configuration") == null) {
// NOTE: It is critical to do this here so that log4j is reinitialized
// before any of the other core hive classes are loaded
try {
LogUtils.initHiveLog4j();
} catch (LogInitializationException e) {
HMSHandler.LOG.warn(e.getMessage());
}
}
try {
String msg = "Starting hive metastore on port " + cli.port;
HMSHandler.LOG.info(msg);
if (cli.isVerbose()) {
System.err.println(msg);
}
HiveConf conf = new HiveConf(HMSHandler.class);
// set all properties specified on the command line
for (Map.Entry<Object, Object> item : hiveconf.entrySet()) {
conf.set((String) item.getKey(), (String) item.getValue());
}
startMetaStore(cli.port, ShimLoader.getHadoopThriftAuthBridge(), conf);
} catch (Throwable t) {
// Catch the exception, log it and rethrow it.
HMSHandler.LOG
.error("Metastore Thrift Server threw an exception...",t);
throw t;
}
}
/**
* Start Metastore based on a passed {@link HadoopThriftAuthBridge}
* @param port
* @param bridge
* @throws Throwable
*/
public static void startMetaStore(int port, HadoopThriftAuthBridge bridge)
throws Throwable {
startMetaStore(port, bridge, new HiveConf(HMSHandler.class));
}
/**
* Start Metastore based on a passed {@link HadoopThriftAuthBridge}
* @param port
* @param bridge
* @param hiveconf configuration overrides
* @throws Throwable
*/
public static void startMetaStore(int port, HadoopThriftAuthBridge bridge,
HiveConf conf) throws Throwable {
try {
// Server will create new threads up to max as necessary. After an idle
// period, it will destory threads to keep the number of threads in the
// pool to min.
int minWorkerThreads = conf.getIntVar(HiveConf.ConfVars.METASTORESERVERMINTHREADS);
int maxWorkerThreads = conf.getIntVar(HiveConf.ConfVars.METASTORESERVERMAXTHREADS);
boolean tcpKeepAlive = conf.getBoolVar(HiveConf.ConfVars.METASTORE_TCP_KEEP_ALIVE);
useSasl = conf.getBoolVar(HiveConf.ConfVars.METASTORE_USE_THRIFT_SASL);
TServerTransport serverTransport = tcpKeepAlive ?
new TServerSocketKeepAlive(port) : new TServerSocket(port);
TProcessor processor;
TTransportFactory transFactory;
if (useSasl) {
saslServer = bridge.createServer(
conf.getVar(HiveConf.ConfVars.METASTORE_KERBEROS_KEYTAB_FILE),
conf.getVar(HiveConf.ConfVars.METASTORE_KERBEROS_PRINCIPAL));
// start delegation token manager
saslServer.startDelegationTokenSecretManager(conf);
transFactory = saslServer.createTransportFactory();
processor = saslServer.wrapProcessor(new ThriftHiveMetastore.Processor(
new HMSHandler("new db based metaserver", conf)));
} else {
processor = new ThriftHiveMetastore.Processor(
new HMSHandler("new db based metaserver", conf));
transFactory = new TTransportFactory();
}
TThreadPoolServer.Args args = new TThreadPoolServer.Args(serverTransport)
.processor(processor)
.transportFactory(transFactory)
.protocolFactory(new TBinaryProtocol.Factory())
.minWorkerThreads(minWorkerThreads)
.maxWorkerThreads(maxWorkerThreads);
TServer tServer = new TThreadPoolServer(args);
HMSHandler.LOG.info("Started the new metaserver on port [" + port
+ "]...");
HMSHandler.LOG.info("Options.minWorkerThreads = "
+ minWorkerThreads);
HMSHandler.LOG.info("Options.maxWorkerThreads = "
+ maxWorkerThreads);
HMSHandler.LOG.info("TCP keepalive = " + tcpKeepAlive);
tServer.serve();
} catch (Throwable x) {
x.printStackTrace();
HMSHandler.LOG.error(StringUtils.stringifyException(x));
throw x;
}
}
}